bomb shell of a new accusation on governor Chris Christie and that traffic scandal. The former official who engineered the close tofg lanes, saying tonight that the new Jersey governor knew more than he said. And there's evidence. More from Jim Avila. Reporter: In this letter obtained by ABC news late today from the lawyer of Chris Christie appointee of the port authority who ordered the actual lane closure, a claim that the governor lied. Refused to testify before the New Jersey legislature tonight. Evidence exists trying Mr. Christie to having knowledge of the lane closures during the period when the lanes were closed, something that the governor has repeatedly denied. I had knowledge of this, the planning, the execution, or anything about it and I first found out about it when it was over. Reporter: Christie sinically mocked it that ft. Lee, new Jersey, for a week in September. I worked the cones actually, unbeknownst to everybody. Reporter: After a smoking gun e-mail from his deputy chief of staff, time for some traffic problems in fort lee, he held a two-hour news conference, emphatically denying that he knew anything about what happened on the busiest bridge in America, until the traffic was long gone I'm telling you, I had nothing to do with it. Reporter: Now, he said that it was inaccurate at the press conference. The star ledger has published this -- late today, a denial from governor Christie's press office saying he's sticking to his story, he knew nothing about the lane closures before and during the traffic mess and only found out from press reports after the George Washington bridge incident ended We're turning now to another story about vacation disaster at sea, the second cruise ship

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